Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

440
Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
440
Energy Balance01:19

Energy Balance

1.5K
The human body gets energy from the three macronutrients: carbohydrates, proteins, and fats. Energy is released when the chemical bonds in the organic compounds present in the food are broken down. The energy content of food is measured in kilocalories (kcal), defined as the amount of heat required to raise the temperature of one kilogram of water by one degree Celsius. This value is determined by measuring the temperature change of the water surrounding a calorimeter after the complete...
1.5K
Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

2.0K
Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
2.0K
Regulation of Metabolism01:19

Regulation of Metabolism

9.1K
Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
9.1K
What is Metabolism?00:52

What is Metabolism?

109.9K
Overview
109.9K
Regulation of Food Intake01:30

Regulation of Food Intake

2.8K
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
2.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Evidence for a Spectral Break or Curvature in the Spectrum of Astrophysical Neutrinos from 5 TeV to 10 PeV.

Physical review letters·2026
Same author

Search for Extremely-High-Energy Neutrinos and First Constraints on the Ultrahigh-Energy Cosmic-Ray Proton Fraction with IceCube.

Physical review letters·2025
Same author

Data of the Insect Biome Atlas: a metabarcoding survey of the terrestrial arthropods of Sweden and Madagascar.

Scientific data·2025
Same author

Measurement of Atmospheric Neutrino Oscillation Parameters Using Convolutional Neural Networks with 9.3 Years of Data in IceCube DeepCore.

Physical review letters·2025
Same author

Search for an eV-Scale Sterile Neutrino Using Improved High-Energy ν_{μ} Event Reconstruction in IceCube.

Physical review letters·2024
Same author

Observation of Seven Astrophysical Tau Neutrino Candidates with IceCube.

Physical review letters·2024

Related Experiment Video

Updated: May 4, 2026

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research
06:48

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research

Published on: June 7, 2024

2.4K

The interplay between nutrition and body composition.

P Fürst1, H Leweling

  • 1Department of Biological Chemistry and Nutrition, University of Hohenheim, Stuttgart, Germany.

Asia Pacific Journal of Clinical Nutrition
|January 8, 2014
PubMed
Summary
This summary is machine-generated.

Stress and malnutrition alter body composition, causing fluid shifts and muscle loss. Nutritional therapy can help critically ill patients, with glutamine dipeptides potentially aiding cellular hydration and catabolism.

More Related Videos

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos
13:35

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos

Published on: March 21, 2021

11.0K
Body Composition and Metabolic Caging Analysis in High Fat Fed Mice
10:28

Body Composition and Metabolic Caging Analysis in High Fat Fed Mice

Published on: May 24, 2018

15.8K

Related Experiment Videos

Last Updated: May 4, 2026

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research
06:48

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research

Published on: June 7, 2024

2.4K
Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos
13:35

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos

Published on: March 21, 2021

11.0K
Body Composition and Metabolic Caging Analysis in High Fat Fed Mice
10:28

Body Composition and Metabolic Caging Analysis in High Fat Fed Mice

Published on: May 24, 2018

15.8K

Area of Science:

  • Physiology
  • Nutrition Science
  • Critical Care Medicine

Background:

  • Stress and malnutrition significantly impact body composition, leading to changes in fluid balance and tissue mass.
  • Catabolic illnesses are characterized by extracellular fluid expansion and depletion of adipose tissue (AT) and body cell mass (BCM).
  • Severe trauma and sepsis can have lasting effects on tissue electrolyte and water metabolism.

Purpose of the Study:

  • To investigate the effects of stress and malnutrition on body composition.
  • To evaluate the role of nutritional therapy in critically ill patients.
  • To explore potential benefits of glutamine dipeptides in managing catabolic states.

Main Methods:

  • Analysis of body composition changes under stress and malnutrition.
  • Review of treatment strategies for critically ill patients.
  • Assessment of nutritional interventions, including glutamine dipeptides.

Main Results:

  • Stress leads to extracellular fluid increase and potential shrinkage of BCM with weight loss.
  • Catabolic states show extracellular fluid expansion and loss of AT and BCM.
  • Despite weight loss and fat loss in stress, bioelectrical impedance analysis (BIA) did not consistently reflect increased fat or decreased water.

Conclusions:

  • Body composition alterations are a key consequence of stress and malnutrition.
  • Nutritional therapy is a crucial adjunct in critical care, though its efficacy may be limited in severe, chronic conditions.
  • Glutamine dipeptides show promise for improving cellular hydration and mitigating catabolic changes in critically ill patients.